[Compatible Models]: This 51mm bottomless portafilter with three ears is compatible with the Espresso Machine CM5418, 3700Essential, 3700Gense, Espresso and Cappuccino Machine, Espresso Machine. Generally speaking, if your coffee machine's original portafilter is 51mm in size and features three ears with each ear being approximately 4mm thick, this portafilter should be compatible with your machine. [USEFUL TIPS]: We recommend using fresh coffee beans or pre-ground coffee. Adjust the grinder to a finer setting for optimal results. To break up the coffee clumps and even distribution of the ground coffee, use a WDT tool or a 51mm coffee distributor. This helps reduce channeling and spurting during extraction. Make sure to tamp the ground coffee evenly. Note that achieving a perfect shot may require several attempts, particularly when using a bottomless portafilter. [Filter Basket Included]: A 51mm stainless steel filter basket with a 2-cup capacity, which can hold up to 18 grams of ground coffee. We recommend confirming the dimensions of your coffee machine's original portafilter before purchasing. It should be a 51mm portafilter with three ears, each ear approximately 4mm thick. [HIGH QUALITY]: The portafilter is crafted from food-grade stainless steel and manually polished to a high shine. Its precise dimensions a secure fit with the group . The handle is made from natural solid wood, featuring a solid and ergonomic design for a comfortable grip and effortless manual control. [Removable and Easy to Clean]: The detachable design enables quick and convenient disassembly, making the portafilter easy to use and clean. With no bottom, there are no limitations on the size of the basket you can use, enhancing your overall brewing experience. Colour:As Shown Material:Stainless steel Package Contents: 1 * handle 1 * powder bowl Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.